function scrollx(p){
    	var d = document,dd = d.documentElement,db = d.body,w = window,o = d.getElementById(p.id),ie6 = /msie 6/i.test(navigator.userAgent),style,timer;
    	if(o){
    		o.style.cssText +=";position:"+(p.f&&!ie6?'fixed':'absolute')+";"+(p.l==undefined?'right:0;':'left:'+p.l+'px;')+(p.t!=undefined?'top:'+p.t+'px':'bottom:0');
    		if(p.f&&ie6){
				o.style.cssText +=';left:expression(documentElement.scrollLeft + '+(p.l==undefined?dd.clientWidth-o.offsetWidth:p.l)+' + "px");top:expression(documentElement.scrollTop +'+(p.t==undefined?dd.clientHeight-o.offsetHeight:p.t)+'+ "px" );';
				dd.style.cssText +=';background-image: url(about:blank);background-attachment:fixed;';
			}else{
				if(!p.f){
					 w.onresize = w.onscroll = function(){
							clearInterval(timer);
							timer = setInterval(function(){
								//鍙岄€夋嫨涓轰簡淇chrome 涓媥html瑙ｆ瀽鏃禿d.scrollTop涓� 0
								var st = (dd.scrollTop||db.scrollTop),c;
								c = st  - o.offsetTop + (p.t!=undefined?p.t:(w.innerHeight||dd.clientHeight)-o.offsetHeight);
								if(c!=0){
									o.style.top = o.offsetTop + Math.ceil(Math.abs(c)/10)*(c<0?-1:1) + 'px';
								}else{
									clearInterval(timer);		
								}
							},10)
						
					}
					
				}
			}
    	}  
   }